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1、Articlepubs.acs.org/accountsSupramolecularPolymersConstructedfromMacrocycle-BasedHost−GuestMolecularRecognitionMotifsShengyiDong,BoZheng,FengWang,andFeiheHuang*StateKeyLaboratoryofChemicalEngineering,DepartmentofChemistry,ZhejiangUniversity,Hangzhou310027,P.R.ChinaCON
2、SPECTUS:Supramolecularpolymers,fabricatedviathecombinationofsupramolecularchemistryandpolymerscience,arepolymericarraysofrepeatingunitsheldtogetherbyreversible,relativelyweaknoncovalentinteractions.Theintroductionofnoncovalentinteractions,suchashydrogenbonding,aromati
3、cstackinginteractions,metalcoordination,andhost−guestinteractions,endowssupramolecularpolymerswithuniquestimuliresponsivenessandself-adjustingabilities.Asaresult,diversemonomerstructureshavebeendesignedandsynthesizedtoconstructvarioustypesofsupramolecularpolymers.Bych
4、angingthenoncovalentinteractiontypes,numbers,orchemicalstructuresoffunctionalgroupsinthesemonomers,supramolecularpolymericmaterialscanbepreparedwithtailoredchemicalandphysicalproperties.Inrecentyears,theinterestinsupramolecularpolymershasbeenextendedfromthepreparation
5、ofintriguingtopologicalstructurestothediscoveriesofpotentialapplicationsasfunctionalmaterials.Comparedwithtraditionalpolymers,supramolecularpolymersshowsomeadvantagesinthefabricationofreversibleorresponsivematerials.Thedevelopmentofsupramolecularpolymersalsooffersaplat
6、formtoconstructcomplexandsophisticatedmaterialswithabottom-upapproach.Macrocylichosts,includingcrownethers,cyclodextrins,calixarenes,cucurbiturils,andpillararenes,arethemostcommonlyusedbuildingblocksinthefabricationofhost−guestinteraction-basedsupramolecularpolymers.W
7、iththeintroductionofcomplementaryguestmolecules,macrocylichostsdemonstrateselectiveandstimuli-responsivehost−guestcomplexationbehaviors.Byelaboratemoleculardesign,theresultantsupramolecularpolymerscanexhibitdiversestructuresbasedontheself-selectivityofhost−guestintera
8、ctions.Theintroductionofreversiblehost−guestinteractionscanfurtherendowthesesupramolecularpolymerswithinterestingandfascinat
